{
    title: {
        text: '折线图测试'
    },
    tooltip : {
        trigger: 'axis'
    },
    legend: {
        data: ['国家级', '省级', '州市级']
    },
    xAxis: [
        {
            type: 'category',
            boundaryGap: false,
            data: ['2019上半年', '2019下半年', '2020上半年', '2020下半年', '2021上半年', '2021下半年'],
            axisLabel: {
                interval:0,
                rotate:30,
            }
        }
    ],
    yAxis: [
        {
            type: 'value'
        }
    ],
    series: [
        {
            name: '国家级',
            type: 'line',
            stack: 'Total',
            data: [120, 132, 101, 134, 90, 230, 210]
        },
        {
            name: '省级',
            type: 'line',
            stack: 'Total',
            data: [220, 182, 191, 234, 290, 330, 310]
        },
        {
            name: '州市级',
            type: 'line',
            stack: 'Total',
            data: [150, 232, 201, 154, 190, 330, 410]
        }
    ]
}